{"xls", {"application/vnd.ms-excel", "application/vnd.ms-office", "application/x-excel", "application/octet-stream"}},
{"xlsb", "application/vnd.ms-excel.sheet.binary.macroEnabled.12"},
{"xlsm", "application/vnd.ms-excel.sheet.macroEnabled.12"},
- {"xlsx", {"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "application/octet-stream"}},
+ {"xlsx", {"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "application/vnd.ms-excel.12", "application/octet-stream"}},
{"xlt", "application/vnd.ms-excel"},
{"xltm", "application/vnd.ms-excel.template.macroEnabled.12"},
{"xltx", "application/vnd.openxmlformats-officedocument.spreadsheetml.template"},